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<div class="header">
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<a href="#groups">Modules</a>  </div>
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<div class="title">Analysis</div>  </div>
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<div class="contents">

<p>Signal analysis.  
<a href="#details">More...</a></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="groups"></a>
Modules</h2></td></tr>
<tr class="memitem:group__tenvelopefollower"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__tenvelopefollower.html">tEnvelopeFollower</a></td></tr>
<tr class="memdesc:group__tenvelopefollower"><td class="mdescLeft">&#160;</td><td class="mdescRight">Detects and returns the basic envelope of incoming audio data. <br /></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:group__tzerocrossingcounter"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__tzerocrossingcounter.html">tZeroCrossingCounter</a></td></tr>
<tr class="memdesc:group__tzerocrossingcounter"><td class="mdescLeft">&#160;</td><td class="mdescRight">Count the amount of zero crossings within a window of the input audio data. <br /></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:group__tpowerfollower"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__tpowerfollower.html">tPowerFollower</a></td></tr>
<tr class="memdesc:group__tpowerfollower"><td class="mdescLeft">&#160;</td><td class="mdescRight">Measure and follow the power of an input signal using an exponential moving average for smoothing. <br /></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:group__tenvpd"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__tenvpd.html">tEnvPD</a></td></tr>
<tr class="memdesc:group__tenvpd"><td class="mdescLeft">&#160;</td><td class="mdescRight">ENV~ from PD, modified for <a class="el" href="struct_l_e_a_f.html" title="Struct for an instance of LEAF.">LEAF</a>. <br /></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:group__tattackdetection"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__tattackdetection.html">tAttackDetection</a></td></tr>
<tr class="memdesc:group__tattackdetection"><td class="mdescLeft">&#160;</td><td class="mdescRight">Detect attacks in an input signal. <br /></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:group__tsnac"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__tsnac.html">tSNAC</a></td></tr>
<tr class="memdesc:group__tsnac"><td class="mdescLeft">&#160;</td><td class="mdescRight">Component of period detection algorithm from Katja Vetters <a href="http://www.katjaas.nl/helmholtz/helmholtz.html">http://www.katjaas.nl/helmholtz/helmholtz.html</a>. <br /></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:group__tperioddetection"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__tperioddetection.html">tPeriodDetection</a></td></tr>
<tr class="memdesc:group__tperioddetection"><td class="mdescLeft">&#160;</td><td class="mdescRight">Period detection algorithm from Katja Vetters <a href="http://www.katjaas.nl/helmholtz/helmholtz.html">http://www.katjaas.nl/helmholtz/helmholtz.html</a>. <br /></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:group__tperioddetector"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__tperioddetector.html">tPeriodDetector</a></td></tr>
<tr class="memdesc:group__tperioddetector"><td class="mdescLeft">&#160;</td><td class="mdescRight">Period detection algorithm from Joel de Guzman's Q Audio DSP Library. <br /></td></tr>
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<tr class="memitem:group__tpitchdetector"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__tpitchdetector.html">tPitchDetector</a></td></tr>
<tr class="memdesc:group__tpitchdetector"><td class="mdescLeft">&#160;</td><td class="mdescRight">Pitch detection algorithm from Joel de Guzman's Q Audio DSP Library. <br /></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:group__tdualpitchdetector"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__tdualpitchdetector.html">tDualPitchDetector</a></td></tr>
<tr class="memdesc:group__tdualpitchdetector"><td class="mdescLeft">&#160;</td><td class="mdescRight">Combined pitch detection algorithm using both Joel de Guzman's Q Audio DSP Library and Katya Vetters algorithms. <br /></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<p>Signal analysis. </p>
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